build standalone ipx utilities without ncpfs private headers

Samples/samples.h

@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <netipx/ipx.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <errno.h>